Fig. 1From: Exceptional response to chemotherapy followed by concurrent radiotherapy and immunotherapy in a male with primary retroperitoneal serous Adenocarcinoma: a case report and literature reviewImaging studies demonstrating the course of tumor response to chemotherapy. a Retroperitoneal mass at time of diagnosis. b Reduction in tumor size after 12 weeks of therapy such that it is difficult to delineate from surrounding soft tissue. c Complete resolution of mass with minimal fat stranding d Recurrence of multinodular cystic mass at the site of origin. Circles highlight the location of the neoplasmBack to article page